More proof support for CASC : include skolemization
Minor fixes, spelling etc.
dos2unix-convert some sources.
get-glpk-cut-log script, and configure code.
Minor fixes to get-abc script and configure stuff.
Clean up some compiler warnings on 32-bit.
Fix compile errors with some versions of GCC.
Disallow context-dependent copy/assignment.
Some fixes for tear-down-incremental and "success" output.
Versioning preparation.
More application-track fixes for use with trace executor.
fix typo
Clean up glpk detection a little, fix a detection bug.
Fix rewriter typo.
For casc : print models of functions rewritten by sort inference.
Test portfolio with --no-wait-to-join.
This commit adds a priority queue implementation.  This is to avoid compilation troubles with libc++.
Some reversions of recent commits re: portfolio failure.

* Partial reversion of b8e28a7, do it a different way.

* Revert "Test portfolio with --no-wait-to-join."
  This reverts commit 8b56004ee8bf6c34aaf045bec12bf0e4401a044c.
Fix for new CASC features, fixes Java builds.
Final preparations for arithmetic for building with libc++.